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Estimate your solar panel system size, number of panels, cost, and payback period based on your electricity usage and local conditions.
Start with your monthly electric bill to calculate your actual kWh consumption. The calculator sizes your solar system to offset your entire electricity usage.
Accounts for real-world system losses including inverter efficiency, wiring losses, shading, and panel degradation. Customize the loss factor for your specific installation.
See your estimated system cost, annual savings, and payback period at a glance. Make an informed financial decision about investing in solar energy for your home.
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Construction & Home